Drive in one axis for Sky-Watcher (Synta) telescopes with EQ-5 paralactic assembly, which compensates for rotation of the blue sphere in the right-of-way / hour axis ("following the stars", speed 1x rotation speed of the celestial sphere) and allows you to move the telescope in the axis of right ascension with velocities 2x and 8x the speed of rotation of the celestial sphere. Powered by four R20 batteries (D, 1.5V, there is no battery in the set). On one set of batteries you can work for 3-4 observing nights (up to 30-40 hours, depending on the quality of the battery, ambient temperature, telescope rotation speed, balancing, etc.) Includes motor, remote control and battery compartment.